From c11f5084004520256a56663d7fdb5d7c3e80869b Mon Sep 17 00:00:00 2001
From: iiSaLMaN <slmanarendo1950@gmail.com>
Date: Mon, 26 Aug 2019 22:06:30 +0300
Subject: [PATCH 1/3] Use transform management for mania hit objects

---
 .../Objects/Drawables/DrawableBarLine.cs      |  2 +-
 .../Drawables/DrawableManiaHitObject.cs       | 29 +++++++++----------
 2 files changed, 14 insertions(+), 17 deletions(-)

diff --git a/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableBarLine.cs b/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableBarLine.cs
index 9c3197504f..e9c352c97e 100644
--- a/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableBarLine.cs
+++ b/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableBarLine.cs
@@ -69,7 +69,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
                 Alpha = 0.2f;
         }
 
-        protected override void UpdateState(ArmedState state)
+        protected override void UpdateStateTransforms(ArmedState state)
         {
         }
     }
diff --git a/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableManiaHitObject.cs b/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableManiaHitObject.cs
index db6b53e76d..e5b114ca81 100644
--- a/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableManiaHitObject.cs
+++ b/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableManiaHitObject.cs
@@ -45,24 +45,9 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
         {
             Anchor = Origin = e.NewValue == ScrollingDirection.Up ? Anchor.TopCentre : Anchor.BottomCentre;
         }
-    }
 
-    public abstract class DrawableManiaHitObject<TObject> : DrawableManiaHitObject
-        where TObject : ManiaHitObject
-    {
-        public new readonly TObject HitObject;
-
-        protected DrawableManiaHitObject(TObject hitObject)
-            : base(hitObject)
+        protected override void UpdateStateTransforms(ArmedState state)
         {
-            HitObject = hitObject;
-        }
-
-        protected override bool UseTransformStateManagement => false;
-
-        protected override void UpdateState(ArmedState state)
-        {
-            // TODO: update to use new state management.
             switch (state)
             {
                 case ArmedState.Miss:
@@ -75,4 +60,16 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             }
         }
     }
+
+    public abstract class DrawableManiaHitObject<TObject> : DrawableManiaHitObject
+        where TObject : ManiaHitObject
+    {
+        public new readonly TObject HitObject;
+
+        protected DrawableManiaHitObject(TObject hitObject)
+            : base(hitObject)
+        {
+            HitObject = hitObject;
+        }
+    }
 }

From 6014a6680411e2d553a8b09ef2beb86d2f0ee928 Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Tue, 27 Aug 2019 12:22:31 +0900
Subject: [PATCH 2/3] Add initial fade transform to fix rewind

---
 .../Objects/Drawables/DrawableManiaHitObject.cs                 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableManiaHitObject.cs b/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableManiaHitObject.cs
index e5b114ca81..ce1484d460 100644
--- a/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableManiaHitObject.cs
+++ b/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableManiaHitObject.cs
@@ -46,6 +46,8 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             Anchor = Origin = e.NewValue == ScrollingDirection.Up ? Anchor.TopCentre : Anchor.BottomCentre;
         }
 
+        protected override void UpdateInitialTransforms() => this.FadeIn();
+
         protected override void UpdateStateTransforms(ArmedState state)
         {
             switch (state)

From fff2da728926758c7ce6502ab0558b888289f979 Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Tue, 27 Aug 2019 12:59:57 +0900
Subject: [PATCH 3/3] Fix hold notes disappearing instantaneously

---
 .../Objects/Drawables/DrawableHoldNote.cs                  | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableHoldNote.cs b/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableHoldNote.cs
index 952c6e128e..fc3b6885d7 100644
--- a/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableHoldNote.cs
+++ b/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableHoldNote.cs
@@ -8,6 +8,7 @@ using osu.Framework.Graphics;
 using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input.Bindings;
+using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI.Scrolling;
 
@@ -104,6 +105,12 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
             bodyPiece.Height = DrawHeight - Head.Height / 2 + Tail.Height / 2;
         }
 
+        protected override void UpdateStateTransforms(ArmedState state)
+        {
+            using (BeginDelayedSequence(HitObject.Duration, true))
+                base.UpdateStateTransforms(state);
+        }
+
         protected void BeginHold()
         {
             holdStartTime = Time.Current;